Isobrite Valor 39.5mm Midsize Blue T100 Tritium Illuminated Watch Black Case Blue Dial 39.5mm. 5mm Midsize Case At 39.5mm in diameter this Swiss Made midsize watch is the smallest model weve ever made with the ultra bright T100 tritium markers. The watch features 28 ultra bright T100 tritium markers that will glow for many decades. A combination of green and orange tritium markers makes it incredibly easy to tell the time in any lighting environment. To ensure uninterrupted service a reliable Swiss Made Ronda 505 quartz movement powers the watch. The movement also features a legible date display between 4:00 and 5:00. Constructed out of carbon fiber reinforced polycarbonate this lightweight watch weighs in at only 3 ounces. The dial is well protected by a scratch resistant sapphire crystal with an anti-reflective coating. When your adventure involves water this watch is ready to accompany you diving down to 200 meters. While in the depths of the sea the unidirectional ratcheting diver bezel with a tritium marker will help you keep track of elapsed bottom time. Specifications for Isobrite ISO353 Valor 39.5mm Midsize Blue T100 Tritium Illuminated Watch: Manufacturer: Isobrite Application: Casual Gender: Unisex Dial Color: Blue Illumination Color: Green Band/Strap Color: Black Case Color: Black Case Material: Carbon Fiber Reinforced Polycarbonate Case Diameter: 39.5 mm Band/Strap Material: Polycarbonate Wrist Band Type: Strap Movement: Swiss Quartz Illumination Type: Tritium Water Resistance Level: Water Resistant Water Resistant Mark: 200 m Weight: 3 oz Features of Isobrite ISO353 Valor 39.5mm Midsize Blue T100 Tritium Illuminated Watch Illumination: 28 x Swiss Made T100 tritium markers by trigalight Functions / Features: Date display Movement: Swiss-Made Ronda 505 quartz Battery Life: Up to 45 months Crystal: Scratch-resistant sapphire with anti-reflective coating Case Thickness: 12mm Caseback: Stainless steel engraved plate fixed with 4 security screws Bezel: Unidirectional ratcheting diver bezel with a tritium elapsed minute marker Crown: Double-gasket push-in with side shields Lug Width: 20mm Package Contents: Isobrite ISO353 Valor 39.5mm Midsize Blue T100 Tritium Illuminated Watch Isobrite ISO353: ISO353 Valor 39.5mm Midsize Blue T100 Tritium Illuminated Watch Black Case Blue Dial 39.5mm